EnderTeleport

The EnderTeleport event is fired whenever an enderman or shulker teleport.
It is also fired whenever a player teleports using an enderpearl (it is possible that other mods fire this event as well.)

Event Class

You will need to cast the event in the function header as this class:
crafttweaker.event.EnderTeleportEvent
You can, of course, also import the class before and use that name then.

Event interface extensions

LivingEntityUseItem Events implement the following interfaces and are able to call all of their methods/getters/setters as well:

ZenGetters/ZenSetters

The following information can be retrieved/set during the event:

ZenGetter ZenSetter Type
targetX targetX double
targetY targetY double
targetZ targetZ double
attackDamage attackDamage float